Just like past practices and official commitment from Google, Pixel and Nexus branded devices are always getting latest Android updates from the very first day without any delay from Android device manufacturers such as Samsung, LG, Sony, Asus, Motorola, Huawei, HTC, Xiaomi, Oppo, Vivo, Lenovo etc. So this time again, Android Oreo OTA Update has already been rolled out for these devices, and also official factory system image files final version has also been uploaded to Google's official Android website HERE. So if you can't wait further for Android Oreo Final OTA Update to appear on your supported and compatible Pixel and Nexus device, then you can Manually Flash Android Oreo 8.1 on your Smartphone or Tablet after getting system image files via Official Direct Download Links available below.